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Parental Medicaid Expansions and Health Insurance Coverage

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  • Anna Aizer
  • Jeffrey Grogger

Abstract

During the 1990s many states extended Medicaid eligibility to low-income parents who were not receiving welfare. We evaluate the effects of those expansions on health insurance coverage. To account for unobservable differences between expansion states and non-expansion states that may be correlated with both policy decisions and insurance coverage, we employ a within-state difference-in-difference technique that makes use of data only from expansion states. We find that the parental eligibility expansions increased Medicaid coverage of mothers with only small effects on private coverage. The expansions also increased the coverage of children, presumably by raising the benefit to the family of applying for coverage. We find substantial racial and ethnic differences in the effects of the expansions. As a result, the expansions help reduce racial and ethnic gaps in insurance coverage, particularly for adults.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 9907.

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Date of creation: Aug 2003
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Handle: RePEc:nbr:nberwo:9907

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References

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  1. Cutler, David M & Gruber, Jonathan, 1996. "Does Public Insurance Crowd Out Private Insurance?," The Quarterly Journal of Economics, MIT Press, vol. 111(2), pages 391-430, May.
  2. David Card & Lara Dawn Shore-Sheppard, 2001. "Using Discontinuous Eligibility Rules to Identify the Effects of the Federal Medicaid Expansions," JCPR Working Papers 248, Northwestern University/University of Chicago Joint Center for Poverty Research.
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Cited by:
  1. Thomas Buchmueller & Anthony Lo Sasso & Kathleen Wong, 2007. "How Did SCHIP Affect the Insurance Coverage of Immigrant Children?," NBER Working Papers 13261, National Bureau of Economic Research, Inc.
  2. Marianne P. Bitler & Jonah B. Gelbach & Hilary W. Hoynes, 2005. "Welfare Reform and Health," Journal of Human Resources, University of Wisconsin Press, vol. 40(2).
  3. Lo Sasso, Anthony T. & Buchmueller, Thomas C., 2004. "The effect of the state children's health insurance program on health insurance coverage," Journal of Health Economics, Elsevier, vol. 23(5), pages 1059-1082, September.
  4. Janet Currie & Sandra Decker & Wanchuan Lin, 2008. "Has Public Health Insurance for Older Children Reduced Disparities in Access to Care and Health Outcomes?," NBER Working Papers 14173, National Bureau of Economic Research, Inc.
  5. Hope Corman & Anne Carroll & Kelly Noonan & Nancy E. Reichman, 2006. "The Effects Of Health On Health Insurance Status In Fragile Families," Working Papers 928, Princeton University, Woodrow Wilson School of Public and International Affairs, Center for Research on Child Wellbeing..
  6. Jonathan Gruber & Kosali Simon, 2007. "Crowd-Out Ten Years Later: Have Recent Public Insurance Expansions Crowded Out Private Health Insurance?," NBER Working Papers 12858, National Bureau of Economic Research, Inc.
  7. Datta, Anusua & Vandegrift, Donald, 2011. "Effects of welfare reform and the state children’s health insurance program on medicaid and total health expenditures," MPRA Paper 36486, University Library of Munich, Germany.
  8. Marianne Bitler & Hilary W. Hoynes, 2006. "Welfare Reform and Indirect Impacts on Health," NBER Working Papers 12642, National Bureau of Economic Research, Inc.
  9. Kasey Buckles & Joseph Price, 2013. "Selection and the Marriage Premium for Infant Health," Demography, Springer, vol. 50(4), pages 1315-1339, August.
  10. Hamersma, Sarah & Kim, Matthew, 2013. "Participation and crowd out: Assessing the effects of parental Medicaid expansions," Journal of Health Economics, Elsevier, vol. 32(1), pages 160-171.
  11. Hope Corman & Anne Carroll & Kelly Noonan & Nancy E. Reichman, 2006. "The Effects of Health on Health Insurance Status in Fragile Families," NBER Working Papers 12197, National Bureau of Economic Research, Inc.
  12. Hamersma, Sarah & Kim, Matthew, 2009. "The effect of parental Medicaid expansions on job mobility," Journal of Health Economics, Elsevier, vol. 28(4), pages 761-770, July.
  13. David Zimmer, 2011. "The Effects of the State Children’s Health Insurance Program on Insurance Status and Health Care Utilization of Children," Journal of Family and Economic Issues, Springer, vol. 32(2), pages 373-383, June.
  14. Cristian Pardo & Whitney Schott, 2012. "Public versus private: evidence on health insurance selection," International Journal of Health Care Finance and Economics, Springer, vol. 12(1), pages 39-61, March.

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